Crystal resonator for QCM measurement of toxic materials



FIG. 1 is a top plan view of a crystal resonator of a new design;

FIG. 2 is a bottom plan view of the crystal resonator shown in FIG. 1;

FIG. 3 is a left side view of the crystal resonator shown in FIG. 1;

FIG. 4 is a right side view of the crystal resonator shown in FIG. 1;

FIG. 5 is a front elevational view of the crystal resonator shown in FIG. 1;

FIG. 6 is a cross-sectional view taken along line 6—6 of FIG. 1.

FIG. 7 is a cross-sectional view taken along line 7—7 of FIG. 1.

FIG. 8 is a perspective view of the crystal resonator shown in FIG. 1,

FIG. 9 is a perspective view showing the assembling components of the crystal resonator; and,

FIG. 10 is a perspective view showing the assembling components of the crystal resonator. 

The ornamental design for a crystal resonator for QCM measurement of toxic materials, as shown and described. 